102
What is 100?
82
64
Put this number in standard form:
(7x104) + (7x103) + (7x101) =
77,070
15 x 15 = 225
225/25 = 9 busses
103
73
7x7x7 = 343
200 x 10 = 2,000
Hayden has saved $400 to buy a new computer. His little cousin has saved one-tenth (or ten times less) as much money as Hayden. How much money has Hayden's little cousin saved?
one-tenth of 400 is $40.
105
100,000
Put this number in standard form:
(5x102) + (6x101) + (3x100)
563
JPO sold 400 ice pops after school yesterday. One-tenth of the ice pops were purchased by students in Mrs. Wilson's class. How many ice pops did students in Mrs. Wilson's class purchase?
400 / 10 = 40 ice pops were purchased by Mrs. W's class
So far, the fourth graders at Mokapu have raised $500 for their Big Island field trip. $500 is one-tenth of their fundraising goal. How much money do the fourth graders hope to raise in all?
500 x 10 = $5,000
10 x 10 = 100, so 10 x 100 =
1,000
Put this number into expanded notation, using exponents:
182
(1x102) + (8x101) + (2x100)
Correct my mistake:
(10x104) + (9x103) + (5x102) + (2x101) + (3x100) = 19,523
10 x 104 = 10 x 10,000 = 100,000, so:
109,523
253 =
25 x 25 = 625 x 25 = 15,625
5 x 6 = 30, so 50 x 6 =
300
Sarah has had 101 cups of coffee per day while studying for final exams. If she drinks this much coffee EVERY DAY for 7 days, how many total cups of coffee will she drink?
101= 10
7x10 = 70 cups of coffee
82-33=
82= 64
33= 27
64-27 = 37
Stetson and 4 friends are going to the movies. They pay a total of $50 for their tickets. How much would tickets for the same movie cost for a group of 50 people?
Stetson + 4 friends = 5 people going to the movies.
$50 / 5 tickets = $10 per ticket
50 people x $10 per ticket = $500
4 x 7 = 28, so 40 x 70 =
2,800
Mrs. Wilson has 102 papers to grade. Ms. Jackson helps her out by grading 92 of the papers. How many papers does Mrs. Wilson have LEFT to grade?
102= 100
92= 81
100 - 81 = 19 papers
72 + 83 =
72 = 49
83 = 8x8x8 = 512
512 + 49 = 561
Twice a week, Ellie goes for a run with the Girls on the Run club. There are 26 girls in the club. Each time, Ellie runs 2 miles. How many miles will she run in 3 weeks?
2 runs a week x 2 miles each run = 4 miles per week
4 miles per week x 3 weeks = 12 miles